Battery lamp



FIG. 1 is a front perspective view of the battery lamp showing the new design in use as a ceiling lamp;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left-side view thereof;

FIG. 5 is a right-side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is a rear perspective view thereof; and,

FIG. 9 is a front view, showing the battery lamp detached from the end element for use as a torch. 

CLAIM The ornamental design for a battery lamp, as shown and described. 